For decades, Moser Engineering has used advanced machining processes and premium materials to manufacture axle assemblies, ring and pinion gears, real axle housings, differential carriers, spools and mini-spools, axle bearings, shafts, and more products that are durable and dependable so enthusiasts can be confident in the performance of their drivetrain.

Reduce unwanted movement inside the rear end and increase strength with a high-quality main cap stud set with nuts and washers. For use on GM 10 & 12 bolt rear ends only. Made in USA Note: No further discounts apply.

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

This is the same housing used in the complete axle assembly. Available with mono or multi leaf spring perches installed, or bare, to use in a custom rear suspension set-up. The 12 Bolt housings are newly cast nodular iron...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

This is the same housing used in the complete axle assembly. Available with mono or multi leaf spring perches installed, or bare, to use in a custom rear suspension set-up. The 12 Bolt housings are newly cast nodular iron...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Strengthen your rear end with a Moser Performance Cover. This cover is made of 356-T6 aluminum and designed to improve ring and pinion gear life, as well as improve the appearance of your vehicle. It will greatly reduce the...

Strengthen your rear end with a Moser Performance Cover. This cover is made of 356-T6 aluminum and designed to improve ring and pinion gear life, as well as improve the appearance of your vehicle. It will greatly reduce the...

Strengthen your rear end with a Moser Performance Cover. This cover is made of 356-T6 aluminum and designed to improve ring and pinion gear life, as well as improve the appearance of your vehicle. It will greatly reduce the...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

This is the same housing used in the complete axle assembly. Available with mono or multi leaf spring perches installed, or bare, to use in a custom rear suspension set-up. The 12 Bolt housings are newly cast nodular iron...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...